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| author | Jakub Jelinek <jakub@redhat.com> | 2017-09-22 20:55:21 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-09-22 20:55:21 +0200 |
| commit | 2dc589be3cb487eda8f537c535cab0f5a9a4a6a1 (patch) | |
| tree | e20eb730d1aa94bba5c78eaacfb5b7e5fd413900 /gcc/testsuite | |
| parent | c90df0d293367452d193f04a18c2233d64a10d1a (diff) | |
| download | gcc-2dc589be3cb487eda8f537c535cab0f5a9a4a6a1.zip gcc-2dc589be3cb487eda8f537c535cab0f5a9a4a6a1.tar.gz gcc-2dc589be3cb487eda8f537c535cab0f5a9a4a6a1.tar.bz2 | |
re PR sanitizer/81929 (exponential slowdown in undefined behavior sanitizer for streaming)
PR sanitizer/81929
* tree.c (struct replace_placeholders_t): Add pset field.
(replace_placeholders_r): Call cp_walk_tree with d->pset as
last argument instead of NULL. Formatting fix.
(replace_placeholders): Add pset variable, add its address
into data. Pass &pset instead of NULL to cp_walk_tree.
* g++.dg/ubsan/pr81929.C: New test.
From-SVN: r253106
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ubsan/pr81929.C | 14 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 54723c2..7c51045 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-09-22 Jakub Jelinek <jakub@redhat.com> + + PR sanitizer/81929 + * g++.dg/ubsan/pr81929.C: New test. + 2017-09-22 Richard Sandiford <richard.sandiford@linaro.org> PR tree-optimization/82289 diff --git a/gcc/testsuite/g++.dg/ubsan/pr81929.C b/gcc/testsuite/g++.dg/ubsan/pr81929.C new file mode 100644 index 0000000..90f2628 --- /dev/null +++ b/gcc/testsuite/g++.dg/ubsan/pr81929.C @@ -0,0 +1,14 @@ +// PR sanitizer/81929 +// { dg-do compile } +// { dg-options "-std=c++14 -fsanitize=undefined" } + +struct S { S &operator<< (long); S foo (); S (); }; + +void +bar () +{ + static_cast<S&>(S () << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 + << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 + << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 + << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0 << 0).foo (); +} |